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Plants for Pelleting Straw and Other Crude Fibre Products
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Waste products of vegetable origin are
available all over the world, most of
which have not been recovered in the
past. These products are now saved
to an increasing extent and processed
for further use.
KAHL Pelleting Plants
The place of installation for a pro-
cessing plant to handle cellulose-
containing vegetable products
depends on the type of product and
the final use of the pellets which have
been produced.
Straw is processed in the area of
cultivation to avoid long distance
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Straw Lentil straw Bagasse Sunflower
husks
Rice husks Coffee husks
transport and the produced pellets
with a high bulk density are used
thermally, for example.
Husks and other waste products are
produced during processing. They are
pelleted to reduce their volume. The
pellets are almost dust-free, easy to
transport and easy to store.
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The quantity of straw produced in an
area of cultivation and the economic
possibilities of transport determine
the location and the capacity of a pro-
cessing plant.
If the chosen location offers favourable
climatic conditions, straw which has
been pressed to bales can be stored
in the open air. In wet areas straw
should be protected by a canvas cloth
or be stored inside under a roof.
A good straw quality is only ensured
by bringing the straw immediately to
the appropriate storage. This has a
decisive influence on the quality of the
final product.
Plant for the production
of roughage for alternative fuel
Intake, pre-crushing and grinding plant Pelleting plant
Cooling plant
Straw Plants for Alternative Fuels, Compound Feed and Litter
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KAHL Supplies Turn-Key Plants for the Production of Pellets
4Pelleting plant for rape straw 5 t/h
Plants for the production of straw
pellets as alternative fuel
In this plant, rape straw is pelleted for
subsequent thermal utilization and
energy recovery on a large scale.
The pelleting plants can also be used
for processing other biomass products
(see page 2) to alternative fuels.
In the last decades, KAHL has
supplied many complete straw
pelleting plants.
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Plants for Processing Straw
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The Core of the Plant:High-Capacity Presses from KAHL
Advantages
of the KAHL pelleting presses
■ The large pelleting chambers
prevent blockings.
■ The low roller speed ensures a
good deaeration of the product.
■ The press noise is below 70 dbA.
■ The large die surface results in a
high throughput.
■ The pellet quality can be controlled
by adjusting the roller gap.
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1 2 4
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3
5
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KAHL Belt cooler
Normally, an industrial pelleting plant
is equipped with one or several
coolers and ideally works round the
clock, up to 8,000 operating hours
per year.
Construction of Heavy Machinery Pays Off
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Our own production line
guarantees quality
All main machines, such as hammer
mills, belt driers, pelleting presses and
coolers, are produced in our factory at
Reinbek near Hamburg. Here we also
have our own pilot plant for carrying
out pelleting tests with different
products.
1 Straw intake2 Bale crusher3 Hammer mill4 Exhaust air cyclone5
Proportioning unit6 Conditioner
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8
12
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7 Thermal reactor8 Pelleting presses9 Pelleting press
10 Belt cooler11 Screening machine12 Bagging device
Straw in big bales is supplied via the
barn floor and is taken by a conveyor
belt to the shredder. The chopped
material then passes the proportioning
units and is fed to the straw mill.
Stones and metal particles are
separated before the mill. If it is not
necessary to grind the straw to a finer
degree, the mill can be by-passed.
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AMANDUS KAHL GmbH & Co. KG
Dieselstrasse 5-9
D-21465 Reinbek / Hamburg
Phone: +49 (0)40 727 71 - 0
Fax: +49 (0)40 727 71 - 100
[email protected]
www.akahl.de
KAHLPartner of the Recycling Industry
KAHL Pelleting presses are
extremely suitable for compacting
a large variety of products.
Pelleting of renewable raw materials
for energy recovery has been a topic
for KAHL for more than 30 years, after
receiving corresponding research
assignments following the energy crisis
in the 1970's. Straw and dried forage
pelleting plants have formed part of
our delivery programme since then,
too. So, we can rely on long-standing
experience.
Heavy machinery pays off when it
comes to processing of these
products. The result is a high
operational safety and availability for
continuous operation of the plant.
Possible applications of the KAHL
pelleting press:
■ Wood waste
■ Sawdust
■ Wood and sanding dust
■ Straw
■ Agricultural biomass
■ Waste paper
■ Municipal and industrial waste
■ Waste tyres
■ Sewage sludge
■ Plastic waste
and many more ...
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